Montana, Silhouette, Venture 2000-2005

Relieving Fuel System Pressure

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A Schrader valve is provided on these fuel systems to conveniently test or release the system pressure. A fuel pressure gauge and adapter will be necessary to connect the gauge to the fitting. Most of the MFI systems utilize a service valve on one end of the fuel rail assembly.

  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Disconnect the negative battery cable
  4.  
  5. Loosen the fuel filler cap to relieve tank vapor pressure.
  6.  
  7. Connect a fuel pressure gauge to the connector. Wrap a shop towel around the fittings to prevent spillage.
  8.  
  9. Install the bleed hose into an approved container and open the valve.
  10.  
  11. Drain any remaining fuel from the pressure gauge.
  12.  
  13. When fuel service is finished, tighten the fuel filler cap and connect the negative battery cable.
  14.  

 
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